# A004192 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 21
5 27
6 42
7 405
8 2304
9 88263
10 88263
11 861993
12 6100974
13 80207226
14 219287178
15 8634767031
16 88898722902
17 690824786553
18 8275073732046
19 238804001546121
20 466718002092342
21 4490717124909015
22 867067777270004211
23 4667948883761025852
24 48958903334001211551